JPH04248004A - 複数の液圧アクチュエータの負荷から独立した液圧制御のための弁システム - Google Patents

複数の液圧アクチュエータの負荷から独立した液圧制御のための弁システム

Info

Publication number
JPH04248004A
JPH04248004A JP3235763A JP23576391A JPH04248004A JP H04248004 A JPH04248004 A JP H04248004A JP 3235763 A JP3235763 A JP 3235763A JP 23576391 A JP23576391 A JP 23576391A JP H04248004 A JPH04248004 A JP H04248004A
Authority
JP
Japan
Prior art keywords
valve
pressure
line
load
actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP3235763A
Other languages
English (en)
Japanese (ja)
Inventor
Armin Stellwagen
アルミン　シュテルヴァーゲン
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bosch Rexroth AG
Original Assignee
Mannesmann Rexroth AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mannesmann Rexroth AG filed Critical Mannesmann Rexroth AG
Publication of JPH04248004A publication Critical patent/JPH04248004A/ja
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/161—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load
    • F15B11/162—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors with sensing of servomotor demand or load for giving priority to particular servomotors or users
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
    • F15B2211/205—Systems with pumps
    • F15B2211/2053—Type of pump
    • F15B2211/20546—Type of pump variable capacity
    • F15B2211/20553—Type of pump variable capacity with pilot circuit, e.g. for controlling a swash plate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/405—Flow control characterised by the type of flow control means or valve
    • F15B2211/40546—Flow control characterised by the type of flow control means or valve with flow combiners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/455—Control of flow in the feed line, i.e. meter-in control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/40—Flow control
    • F15B2211/46—Control of flow in the return line, i.e. meter-out control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
    • F15B2211/50572—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using a pressure compensating valve for controlling the pressure difference across a flow control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/57—Control of a differential pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/605—Load sensing circuits
    • F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
    • F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
JP3235763A 1990-08-27 1991-08-23 複数の液圧アクチュエータの負荷から独立した液圧制御のための弁システム Pending JPH04248004A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4027047.5 1990-08-27
DE4027047A DE4027047A1 (de) 1990-08-27 1990-08-27 Ventilanordnung zur lastunabhaengigen steuerung mehrerer hydraulischer verbraucher

Publications (1)

Publication Number Publication Date
JPH04248004A true JPH04248004A (ja) 1992-09-03

Family

ID=6413002

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3235763A Pending JPH04248004A (ja) 1990-08-27 1991-08-23 複数の液圧アクチュエータの負荷から独立した液圧制御のための弁システム

Country Status (3)

Country Link
US (1) US5182909A (enrdf_load_stackoverflow)
JP (1) JPH04248004A (enrdf_load_stackoverflow)
DE (1) DE4027047A1 (enrdf_load_stackoverflow)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4137963C2 (de) * 1991-10-30 1995-03-23 Rexroth Mannesmann Gmbh Ventilanordnung zur lastunabhängigen Steuerung mehrerer hydraulischer Verbraucher
SE469485B (sv) * 1991-11-29 1993-07-12 Jan Lindholm Foerfarande och floedesregleringsventilaggregat foer floedesbalansering
DE4307872C2 (de) * 1993-03-12 2001-05-17 Orenstein & Koppel Ag Lastdruckunabhängige Steuerung der Geschwindigkeit von hydraulischen Stellelementen
US5699665A (en) * 1996-04-10 1997-12-23 Commercial Intertech Corp. Control system with induced load isolation and relief
DE19721739A1 (de) * 1997-05-24 1998-11-26 Mannesmann Rexroth Ag Hydraulische Steueranordnung, insbesondere für einen Gabelstapler
DE19828963A1 (de) 1998-06-29 1999-12-30 Mannesmann Rexroth Ag Hydraulische Schaltung
CN2349553Y (zh) * 1998-07-28 1999-11-17 窦剑文 气液多相流流量测量装置
DE19904616A1 (de) * 1999-02-05 2000-08-10 Mannesmann Rexroth Ag Steueranordnung für wenigstens zwei hydraulische Verbraucher und Druckdifferenzventil dafür
DE19944835A1 (de) * 1999-09-18 2001-03-22 Rauch Landmaschfab Gmbh Vorrichtung zum Verteilen von Streugut
DE10034431A1 (de) * 2000-07-14 2002-07-25 Juergen Schenk Hydrauliksystem für ein Arbeitsgerät mit einem Sonderverbraucher
ES2279998T3 (es) * 2004-08-10 2007-09-01 Walvoil S.P.A. Seccion de entrada para valvulas de control direccional de deteccion de carga.
US8536883B2 (en) * 2010-04-29 2013-09-17 Schlumberger Technology Corporation Method of measuring a multiphase flow
GB2529909B (en) 2014-09-30 2016-11-23 Artemis Intelligent Power Ltd Industrial system with synthetically commutated variable displacement fluid working machine
ITUB20159570A1 (it) * 2015-12-16 2017-06-16 Walvoil Spa Dispositivo valvolare idraulico a piu' sezioni di lavoro con sistema di controllo della pompa
US10876552B2 (en) * 2018-09-21 2020-12-29 Eaton Intelligent Power Limited Hydraulic fluid pressure compensator unit with integrated load sense and reverse flow checks

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8414265U1 (de) * 1984-08-16 Koppen & Lethem Hydrosystem GmbH, 4040 Neuss Senkbrems-Sperrventil
SE439342C (sv) * 1981-09-28 1996-11-18 Bo Reiner Andersson Ventilanordning för styrning av en linjär eller roterande hydraulmotor
DE3146540A1 (de) * 1981-11-24 1982-06-24 Linde Ag, 6200 Wiesbaden Hydrostatisches antriebssystem mit einer einstellbaren pumpe und mehreren verbrauchern
US4601366A (en) * 1983-04-22 1986-07-22 Blain Roy W Down valve for the down speed control of a hydraulic elevator
DE3428403A1 (de) * 1983-08-01 1985-04-11 Závody těžkého strojírenství Výzkumný ústav stavebních a zemních stroju, Brünn/Brno Zweistufige, druckkompensierte hydraulische steuereinrichtung fuer mindestens zwei verbraucher
DE3532816A1 (de) * 1985-09-13 1987-03-26 Rexroth Mannesmann Gmbh Steueranordnung fuer mindestens zwei von mindestens einer pumpe gespeiste hydraulische verbraucher
DE3634728A1 (de) * 1986-10-11 1988-04-21 Rexroth Mannesmann Gmbh Ventilanordnung zum lastunabhaengigen steuern mehrerer gleichzeitig betaetigter hydraulischer verbraucher
US5083430A (en) * 1988-03-23 1992-01-28 Hitachi Construction Machinery Co., Ltd. Hydraulic driving apparatus

Also Published As

Publication number Publication date
DE4027047C2 (enrdf_load_stackoverflow) 1993-07-29
DE4027047A1 (de) 1992-03-05
US5182909A (en) 1993-02-02

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